Home / 438,636,286,642.41-605,095,300,165.41-286,478,180,989.29

Finding the Fourth Proportional to 438,636,286,642.41, 605,095,300,165.41 and 286,478,180,989.29

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Solution

The fourth proportional to 438,636,286,642.41, 605,095,300,165.41 and 286,478,180,989.29 is: 395,194,392,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,636,286,642.41 : 605,095,300,165.41 = 286,478,180,989.29 : x
  2. Step 2: Convert to fraction form
    438,636,286,642.41/605,095,300,165.41 = 286,478,180,989.29/x
  3. Step 3: Cross multiply
    438,636,286,642.41x = 605,095,300,165.41 × 286,478,180,989.29
  4. Step 4: Simplify right side
    438,636,286,642.41x = 173,346,600,916,555,072,012,288
  5. Step 5: Solve for x
    x = 173,346,600,916,555,072,012,288/438,636,286,642.41
  6. Step 6: Final answer
    x = 395,194,392,701.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.